Operations on Polynomials Review

By combining like terms, determine which expression below is equivalent to: 5x² - 7x + -3x² + 3

• 5x²+5x+5

• 2x²-7x+3

• 2x²+7x+6

• 5x²+5

(2x + 5y - z) + (-6x - 4y + 7z)

• -4x +6y + 6z

• 4x + y + 6z

• -4x - y + 6z

• -4x + y + 6z

Simplify the expression.
(4a³ - 8a - 4a²) + (7a³ - 7 - 6a)

• 11a³ - 4a² - 14a - 7 

• 5a³ - 4a² - 14a - 7 

• 5a³ - 4a² - 20a - 7 

• 5a³ - 9a² - 20a - 7

(x +2)(x + 3)

• x² + 5x + 6

• x² + x + 6

• x² + 5x + 5

• x² + 6x + 6

(x+10)(x-10)

• x²  - 100

• x² + 100

• x² + 20x - 100

• x² -20x + 100

(x - 5)(x + 1)

• x² - 4x - 5

• x² + 6x - 5

• x² - 5x - 4

• x² - 4x - 4

Simplify:
2x ( -2x -3)

• -4x - 3

• x² - 3

• -4x² - 6x

• -4x - 6

(4x+1)(5x−2)

• 20x² + 3x − 2

• 20x² − 11x + 5

• 20x² − 18x + 2

• 20x² − 3x − 2

Simplify the expression.
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²

• 7x² - x + 4 (-3x²)

• 21x⁴ + 3x³ + 12x²

• -12x² + 3x³ -21x⁴

• 5w ² − 4w + 3
• 12w ² − 9w + 6
• 12w ² − 12w + 9
• 5w ² − 12w+ 9